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Abstract: Using an approach developed in physics, we propose a new framework for thestudy of cellular networks. The key idea of the physical network model wepropose is to replace the discrete base stations BS entities by a continuumof transmitters which are spatially distributed in the network. This allows usto establish a closed form formula of the other-cell downlink interferencefactor f, as a function of the location of the mobile. We define here f as theratio of outer cell received power i.e. the power received from other cellsto the inner cell received power. This physical model allows calculating theinfluence of interference on any mobile in a cell, whatever its position.Results obtained with that closed-form formula are close to the ones obtainedby simulations using a traditional hexagonal network model. Since the physicalmodel allows to establish a closed form formula of the interference factor, itallows to do analytical studies of wireless networks such as outageprobability, quality of service, capacity.



Author: Jean-Marc Kelif

Source: https://arxiv.org/







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